@book{15631,
	author = {GOLDFELD, Stephen M. and QUANDT, Richard E.},
	title = {Nonlinear Methods in Econometrics /},
	publisher = {North-Holland Publish. Co,},
	year = {1972.},
	address = {Amsterdam :},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=15631}
}